Apr 24, 2020

The conservation of a core virome in Aedes mosquitoes across different developmental stages and continents

BioRxiv : the Preprint Server for Biology
C. ShiHan Xia

Abstract

Mosquitoes belonging to the genus Aedes can efficiently transmit many pathogenic arboviruses, placing a great burden on public health worldwide. In addition, they also carry a number of insect specific viruses (ISVs), and it was recently suggested that some of these ISVs might form a stable species-specific "core virome" in mosquito populations. However, little is known about such a core virome in laboratory colonies and if it is present across different developmental stages. In this study, we compared the viromes in eggs, larvae, pupae and adults of Aedes albopictus mosquitoes collected from the field as well as from a lab colony. The virome in lab-derived Ae. albopictus is very stable across all stages, consistent with a vertical transmission route of these viruses, forming a "vertically transmitted core virome". The different stages of field collected Ae. albopictus mosquitoes also contains this stable vertically transmitted core virome as well as another set of viruses shared by mosquitoes across different stages, which might be an "environment derived core virome". Both these vertically and environmentally transmitted core viromes in Ae. albopictus deserve more attention with respect to their effects on vector competence f...Continue Reading

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Mentioned in this Paper

Polyribosomes
Glossina
Set of Polysomal Ribosomes
Ribosomal Proteins
Shock
Protein Biosynthesis
Gene Expression
Translational Regulation
Cell Differentiation Process
Zinc-binding protein

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